<demo>dd</demo>
<template>
  <lc-button type="success">默认尺寸</lc-button>
  <lc-button type="success" size="large">大型按钮</lc-button>
  <lc-button type="success" size="small">小型按钮</lc-button>
  <lc-button type="success" size="mini">迷你按钮</lc-button>
</template>
